Table of Contents FP0
viii
7.1.1 Interlock Circuit 7 − 3...........................................
7.1.2 Emergency Stop Circuit 7 − 3....................................
7.1.3 Start Up Sequence 7 − 3........................................
7.1.4 Momentary Power Failures 7 − 4.................................
7.1.5 Protecting Power Supply and Output Sections 7 − 4.................
7.2 Wiring the Power Supply to the Control Unit 7 − 5..........................
7.3 Grounding 7 − 7........................................................
7.4 Input Wiring 7 − 9......................................................
7.4.1 Sensors 7 − 9..................................................
7.4.2 LED-Equipped Reed Switch 7 − 10..............................
7.4.3 Two-Wire Type Sensor 7 − 10...................................
7.4.4 LED-Equipped Limit Switch 7 − 11................................
7.5 Output Wiring 7 − 12...................................................
7.5.1 Protective Circuit for Inductive Loads 7 − 12.......................
7.5.2 Precautions for Using Capacitive Loads 7 − 13....................
7.6 Wiring the Terminal Type 7 − 14.........................................
7.7 Wiring the MOLEX Connector Type 7 − 16................................
7.8 Wiring the MIL Connector Type 7 − 18...................................
7.8.1 Contact Puller Pin for Rewiring 7 − 19............................
7.9 Wiring the RS232C Port 7 − 20..........................................
Chapter 8 Precautions During Programming
8.1 Use of Duplicated Output 8 − 3...........................................
8.1.1 Duplicated Output 8 − 3.........................................
8.1.2 When Output is Repeated
with an OT, KP, SET, or RST Instruction 8 − 4......................
8.2 Handling BCD Data 8 − 5...............................................
8.2.1 BCD Data 8 − 5................................................
8.2.2 Handling BCD Data in the PLC 8 − 5..............................
8.3 Handling Index Registers 8 − 7...........................................
8.3.1 Index Registers 8 − 7...........................................
8.3.2 Memory Areas Which can be Modified with Index Registers 8 − 7.....
8.3.3 Example of Using an Index Register 8 − 8.........................
8.4 Operation Errors 8 − 10................................................
8.4.1 Outline of Operation Errors 8 − 10...............................
8.4.2 Operation Mode When an Operation Error Occurs 8 − 10...........
8.4.3 Dealing with Operation Errors 8 − 11..............................
8.4.4 Points to Check in Program 8 − 12...............................
8.5 Instruction of Leading Edge Detection Method 8 − 13......................
8.5.1 Instructions of Leading Edge Detection Method 8 − 13..............